The AUMAX 98 showing is located at an elevation of approximately 2100 metres on a high ridge to the east of Cayoosh Creek, approximately 17 kilometres southwest of Lillooet.
The region is underlain by the Mississippian to Jurassic Bridge River Complex (Group), which is exposed along a broad, complex antiformal structure that plunges northwest. The group consists mainly of a thick sequence of bedded chert, chert argillite and argillite intercalated with altered basaltic flows (greenstone) and minor limestone. The greenstone is altered to listwanite (quartz- carbonate alteration) and flooded by pyrite. Most of the Bridge River Group exhibits pumpellyite- prehnite metamorphic grade. These have been intruded by Late Cretaceous to Paleogene granodioritic rocks.
Locally, a stockwork system of quartz veins, varying from 0.2 to 10 centimetres wide, is hosted by a shear zone in oxidized silica-listwanite altered greenstone. The zone strikes 160 degrees and dips 45 degrees west. Sulphide mineralization consists of small blebs of pyrite, arsenopyrite and possible tetrahedrite-tennantite with hematite and sericite alteration.
The Aumax 97 showing was discovered during forestry road construction in 1997. The following year, Aumax 98 was discovered approximately 1 kilometre south on a ridge crest between Cayoosh and Phair creeks.
During 1997 through 1999, the area was prospected, trenched and sampled by Cross Lake Minerals Ltd. and Gold-Ore Resources Ltd.
In 1999, a 1.0-metre channel sample (AR99+20) assayed 1.07 grams per tonne gold and 13.2 grams per tonne silver, while a 3.0-metre sample assayed 0.98 gram per tonne gold and 10.5 grams per tonne silver (Assessment Report 26236).
In 2004, Avino Silver & Gold Mines completed a program of rock and soil sampling. The following year three diamond drill holes, totaling 145.0 metres, were completed on the Aumax 97 showing with low assay results. During 2012 through 2016, Cresval Capital completed programs of rock and soil sampling and geological mapping. In 2021 and 2022, Cazador Resources Ltd. conducted small soil and rock sampling programs over the property.
